/Engine/Plugins/Experimental/RemoteSession/Source/RemoteSession/Public/Channels/RemoteSessionARSystemChannel.h
Pin a component to an existing ARPin. If the component is alreayd pinned it will first be removed from that pin, which will be left empty. If the target Pin is already in use the component previously pinned to it will be unpinned.
true if the operation was successful
virtual bool OnPinComponentToARPin ( [USceneComponent](API\Runtime\Engine\Components\USceneComponent) * ComponentToPin, [UARPin](API\Runtime\AugmentedReality\UARPin) * Pin )